Hidradenitis suppurativa (HS) is a chronic skin condition that affects 1-4% of the population. The following are the epidemiology, causes, and risk factors of HS:
- Epidemiology: HS is more common in women and in individuals of African descent. It typically begins in early adulthood and can persist for a lifetime.
- Causes: The exact cause of HS is not known, but it is believed to be a combination of factors including genetic predisposition, hormonal factors, immune system dysfunction, and blockages in the hair follicles.
- Risk factors: The following are some of the known risk factors for HS:
• Age: The condition typically begins in early adulthood.
• Sex: Women are more commonly affected than men.
• Obesity: Being overweight or obese is a known risk factor for HS.
• Smoking: Smoking has been shown to increase the risk of developing HS and to worsen the symptoms.
• Family history: There is a genetic component to the development of HS, and it is more common in individuals with a family history of the condition.
• Other medical conditions: Individuals with Crohn's disease, metabolic syndrome, and polycystic ovary syndrome (PCOS) have an increased risk of developing HS.
